Displaying 12 results of Cyproterone Impurities Cyproterone is a medication used to treat conditions such as prostate cancer, hirsutism, and acne. However, the production of cyproterone can lead to the formation of impurities or by-products, which can affect the quality and safety of the medication. These impurities are closely monitored and controlled to ensure that the medication remains effective and safe for use in patients.